Roger Chickering, Stig Förster, Great War, Total War: Combat and Mobilization on the Western Front, 1914–1918, Cambridge University Press, 2000, ISBN0-521-77352-0, Google Print, p.160
Barnett R. Rubin, Jack L. Snyder, Post-Soviet Political Order: Conflict and State Building, Routledge, 1998, ISBN0-415-17069-9, Google Print, p.43
Alan Kramer, Dynamic of Destruction: Culture and Mass Killing in the First World War, Oxford University Press, 2007, ISBN0-19-280342-5, Google Print, p.151